You can reset your RingCentral (RC) voicemail password (PIN) from within your RingCentral account.
1. Log in to https://service.ringcentral.com 2. Navigate to Settings. 3. Go to User Details > Security. 4. Under Password and PIN, click Change. 5. Click Yes on the confirmation message that appears. 6. Enter your new PIN, then re-enter it to confirm. 7. Click Save.